Using the Raspberry Pi to Make Music in the Style of a Pub Singer / Les Dawson

I have built a Toy Organ using a NE555 timer chip and have controlled it with the Raspberry Pi. If you are building this, remember to test with a 6v battery to power the circuit and use a 3v battery on the GPIO input points before you connect it to the Raspberry Pi.

Circuit Diagram:

Pi Organ

Source Code:

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